Reference boundary

Stranding reference only. It does not verify CSA/ASTM applicability, conductor ampacity, finished cable diameter, or installation approval.

Reference table

Reference common Class B copper stranding counts by conductor size for preliminary label and catalogue review.

Reference basis uses common Class B concentric stranding count patterns; manufacturer data governs exact construction.
Conductor sizeTypical strand countArea (mm2)Boundary
14 AWG72.08Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
12 AWG73.31Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
10 AWG75.26Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
8 AWG78.37Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
6 AWG713.3Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
4 AWG721.2Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
2 AWG733.6Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
1/0 AWG1953.5Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
2/0 AWG1967.4Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
3/0 AWG1985Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
4/0 AWG19107.2Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
250 kcmil37126.7Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
350 kcmil37177.3Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
500 kcmil37253.4Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
750 kcmil61380Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
1000 kcmil61506.7Typical Class B pattern only; manufacturer construction data governs exact strand count and finished diameter
Use notes
  • Use this table for preliminary reference and arithmetic checks only.
  • Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.